23211142402 has 16 divisors (see below), whose sum is σ = 39808498752. Its totient is φ = 9943140240.

The previous prime is 23211142379. The next prime is 23211142433. The reversal of 23211142402 is 20424111232.

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, 342148 + ... + 404335.

It is an arithmetic number, because the mean of its divisors is an integer number (2488031172).

Almost surely, 2^23211142402 is an apocalyptic number.

23211142402 is a deficient number, since it is larger than the sum of its proper divisors (16597356350).

23211142402 is a wasteful number, since it uses less digits than its factorization.

23211142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748713.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 23211142402 its reverse (20424111232), we get a palindrome (43635253634).

The spelling of 23211142402 in words is "twenty-three billion, two hundred eleven million, one hundred forty-two thousand, four hundred two".