23292940 has 48 divisors (see below), whose sum is σ = 53706240. Its totient is φ = 8415680.

The previous prime is 23292889. The next prime is 23293001. The reversal of 23292940 is 4929232.

It is a super-2 number, since 2×23292940² = 1085122107687200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52359 + ... + 52801.

It is an arithmetic number, because the mean of its divisors is an integer number (1118880).

Almost surely, 2^23292940 is an apocalyptic number.

23292940 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 23292940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26853120).

23292940 is an abundant number, since it is smaller than the sum of its proper divisors (30413300).

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

23292940 is a wasteful number, since it uses less digits than its factorization.

23292940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 23292940 is about 4826.2759970810. The cubic root of 23292940 is about 285.5889738568.

The spelling of 23292940 in words is "twenty-three million, two hundred ninety-two thousand, nine hundred forty".