23354040 has 64 divisors (see below), whose sum is σ = 73756800. Its totient is φ = 5899392.

The previous prime is 23353991. The next prime is 23354041. The reversal of 23354040 is 4045332.

It is a happy number.

It is a super-2 number, since 2×23354040² = 1090822368643200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23353998 and 23354016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23354041) 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, 2842 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (1152450).

Almost surely, 2^23354040 is an apocalyptic number.

23354040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23354040 is an abundant number, since it is smaller than the sum of its proper divisors (50402760).

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

23354040 is a wasteful number, since it uses less digits than its factorization.

23354040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10276 (or 10272 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 23354040 is about 4832.6017837186. The cubic root of 23354040 is about 285.8384664953.

Adding to 23354040 its reverse (4045332), we get a palindrome (27399372).

The spelling of 23354040 in words is "twenty-three million, three hundred fifty-four thousand, forty".