123002400102 has 16 divisors (see below), whose sum is σ = 246435638592. Its totient is φ = 40928993640.

The previous prime is 123002400091. The next prime is 123002400113. The reversal of 123002400102 is 201004200321.

It is an interprime number because it is at equal distance from previous prime (123002400091) and next prime (123002400113).

It is a super-2 number, since 2×123002400102² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17947888 + ... + 17954739.

It is an arithmetic number, because the mean of its divisors is an integer number (15402227412).

Almost surely, 2^123002400102 is an apocalyptic number.

123002400102 is an abundant number, since it is smaller than the sum of its proper divisors (123433238490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123002400102 is a wasteful number, since it uses less digits than its factorization.

123002400102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35903203.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 123002400102 its reverse (201004200321), we get a palindrome (324006600423).

The spelling of 123002400102 in words is "one hundred twenty-three billion, two million, four hundred thousand, one hundred two".