23262780 has 48 divisors (see below), whose sum is σ = 65751840. Its totient is φ = 6144768.

The previous prime is 23262779. The next prime is 23262781. The reversal of 23262780 is 8726232.

It is an interprime number because it is at equal distance from previous prime (23262779) and next prime (23262781).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23262781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4762 + ... + 8318.

It is an arithmetic number, because the mean of its divisors is an integer number (1369830).

Almost surely, 2^23262780 is an apocalyptic number.

23262780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23262780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32875920).

23262780 is an abundant number, since it is smaller than the sum of its proper divisors (42489060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23262780 is a wasteful number, since it uses less digits than its factorization.

23262780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3678 (or 3676 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 23262780 is about 4823.1504227009. The cubic root of 23262780 is about 285.4656591859.

It can be divided in two parts, 23262 and 780, that added together give a palindrome (24042).

The spelling of 23262780 in words is "twenty-three million, two hundred sixty-two thousand, seven hundred eighty".