23402021042 has 32 divisors (see below), whose sum is σ = 37292555520. Its totient is φ = 10982846160.

The previous prime is 23402021011. The next prime is 23402021057. The reversal of 23402021042 is 24012020432.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3396533 + ... + 3403415.

It is an arithmetic number, because the mean of its divisors is an integer number (1165392360).

Almost surely, 2^23402021042 is an apocalyptic number.

23402021042 is a deficient number, since it is larger than the sum of its proper divisors (13890534478).

23402021042 is a wasteful number, since it uses less digits than its factorization.

23402021042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7718.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 23402021042 its reverse (24012020432), we get a palindrome (47414041474).

The spelling of 23402021042 in words is "twenty-three billion, four hundred two million, twenty-one thousand, forty-two".