123202404004 has 27 divisors (see below), whose sum is σ = 216850918347. Its totient is φ = 61247040984.

The previous prime is 123202403903. The next prime is 123202404023. The reversal of 123202404004 is 400404202321.

It is a happy number.

The square root of 123202404004 is 351002.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 156546499 + ... + 156547285.

Almost surely, 2^123202404004 is an apocalyptic number.

123202404004 is the 351002-nd square number.

It is an amenable number.

123202404004 is a deficient number, since it is larger than the sum of its proper divisors (93648514343).

123202404004 is an frugal number, since it uses more digits than its factorization.

123202404004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 123202404004 its reverse (400404202321), we get a palindrome (523606606325).

The spelling of 123202404004 in words is "one hundred twenty-three billion, two hundred two million, four hundred four thousand, four".