23267140 has 48 divisors (see below), whose sum is σ = 53166960. Its totient is φ = 8501760.

The previous prime is 23267113. The next prime is 23267161. The reversal of 23267140 is 4176232.

23267140 = 566² + 567² + ... + 630².

It can be written as a sum of positive squares in 8 ways, for example, as 1811716 + 21455424 = 1346^2 + 4632^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27930 + ... + 28750.

It is an arithmetic number, because the mean of its divisors is an integer number (1107645).

Almost surely, 2^23267140 is an apocalyptic number.

23267140 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 23267140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26583480).

23267140 is an abundant number, since it is smaller than the sum of its proper divisors (29899820).

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

23267140 is a wasteful number, since it uses less digits than its factorization.

23267140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 950 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23267140 is about 4823.6023882571. The cubic root of 23267140 is about 285.4834924303.

The spelling of 23267140 in words is "twenty-three million, two hundred sixty-seven thousand, one hundred forty".