123470450140 has 24 divisors (see below), whose sum is σ = 263538569952. Its totient is φ = 48578537280.

The previous prime is 123470450137. The next prime is 123470450153. The reversal of 123470450140 is 41054074321.

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 7 ways as a sum of consecutive naturals, for example, 50601424 + ... + 50603863.

It is an arithmetic number, because the mean of its divisors is an integer number (10980773748).

Almost surely, 2^123470450140 is an apocalyptic number.

123470450140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123470450140 is an abundant number, since it is smaller than the sum of its proper divisors (140068119812).

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

123470450140 is a wasteful number, since it uses less digits than its factorization.

123470450140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101205357 (or 101205355 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The spelling of 123470450140 in words is "one hundred twenty-three billion, four hundred seventy million, four hundred fifty thousand, one hundred forty".