123202101030 has 64 divisors (see below), whose sum is σ = 299515423680. Its totient is φ = 32429551616.

The previous prime is 123202101023. The next prime is 123202101073. The reversal of 123202101030 is 30101202321.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1544404 + ... + 1622216.

It is an arithmetic number, because the mean of its divisors is an integer number (4679928495).

Almost surely, 2^123202101030 is an apocalyptic number.

123202101030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123202101030 is an abundant number, since it is smaller than the sum of its proper divisors (176313322650).

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

123202101030 is a wasteful number, since it uses less digits than its factorization.

123202101030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78505.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 123202101030 its reverse (30101202321), we get a palindrome (153303303351).

The spelling of 123202101030 in words is "one hundred twenty-three billion, two hundred two million, one hundred one thousand, thirty".