123402104354 has 16 divisors (see below), whose sum is σ = 185436262656. Its totient is φ = 61590060000.

The previous prime is 123402104339. The next prime is 123402104387. The reversal of 123402104354 is 453401204321.

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, 8828279 + ... + 8842245.

It is an arithmetic number, because the mean of its divisors is an integer number (11589766416).

Almost surely, 2^123402104354 is an apocalyptic number.

123402104354 is a deficient number, since it is larger than the sum of its proper divisors (62034158302).

123402104354 is a wasteful number, since it uses less digits than its factorization.

123402104354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21601.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 123402104354 its reverse (453401204321), we get a palindrome (576803308675).

The spelling of 123402104354 in words is "one hundred twenty-three billion, four hundred two million, one hundred four thousand, three hundred fifty-four".