23240423234402 has 16 divisors (see below), whose sum is σ = 38029875522912. Its totient is φ = 10563803173920.

The previous prime is 23240423234393. The next prime is 23240423234419. The reversal of 23240423234402 is 20443232404232.

It is a super-2 number, since 2×23240423234402² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10379993 + ... + 12418739.

It is an arithmetic number, because the mean of its divisors is an integer number (2376867220182).

Almost surely, 2^{23240423234402} is an apocalyptic number.

23240423234402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

23240423234402 is a deficient number, since it is larger than the sum of its proper divisors (14789452288510).

23240423234402 is a wasteful number, since it uses less digits than its factorization.

23240423234402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556913.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 23240423234402 its reverse (20443232404232), we get a palindrome (43683655638634).

The spelling of 23240423234402 in words is "twenty-three trillion, two hundred forty billion, four hundred twenty-three million, two hundred thirty-four thousand, four hundred two".