23150780 has 12 divisors (see below), whose sum is σ = 48616680. Its totient is φ = 9260304.

The previous prime is 23150779. The next prime is 23150783. The reversal of 23150780 is 8705132.

It is a super-2 number, since 2×23150780² = 1071917229216800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23150783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 578750 + ... + 578789.

It is an arithmetic number, because the mean of its divisors is an integer number (4051390).

Almost surely, 2^23150780 is an apocalyptic number.

23150780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23150780 is an abundant number, since it is smaller than the sum of its proper divisors (25465900).

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

23150780 is a wasteful number, since it uses less digits than its factorization.

23150780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157548 (or 1157546 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 23150780 is about 4811.5257455406. The cubic root of 23150780 is about 285.0067916715.

The spelling of 23150780 in words is "twenty-three million, one hundred fifty thousand, seven hundred eighty".