123013229952 has 64 divisors (see below), whose sum is σ = 328917980160. Its totient is φ = 40732838400.

The previous prime is 123013229951. The next prime is 123013229953. The reversal of 123013229952 is 259922310321.

It is an interprime number because it is at equal distance from previous prime (123013229951) and next prime (123013229953).

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-3 number, since 3×123013229952³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123013229952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123013229951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1002768 + ... + 1118735.

It is an arithmetic number, because the mean of its divisors is an integer number (5139343440).

Almost surely, 2^123013229952 is an apocalyptic number.

123013229952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123013229952 is an abundant number, since it is smaller than the sum of its proper divisors (205904750208).

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

123013229952 is a wasteful number, since it uses less digits than its factorization.

123013229952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121671 (or 2121659 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 123013229952 in words is "one hundred twenty-three billion, thirteen million, two hundred twenty-nine thousand, nine hundred fifty-two".