123402033404 has 48 divisors (see below), whose sum is σ = 239695975008. Its totient is φ = 55219408128.

The previous prime is 123402033401. The next prime is 123402033463. The reversal of 123402033404 is 404330204321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123402033401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431174 + ... + 657810.

It is an arithmetic number, because the mean of its divisors is an integer number (4993666146).

Almost surely, 2^123402033404 is an apocalyptic number.

It is an amenable number.

123402033404 is a deficient number, since it is larger than the sum of its proper divisors (116293941604).

123402033404 is a wasteful number, since it uses less digits than its factorization.

123402033404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226974 (or 226972 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 123402033404 its reverse (404330204321), we get a palindrome (527732237725).

The spelling of 123402033404 in words is "one hundred twenty-three billion, four hundred two million, thirty-three thousand, four hundred four".