123432431703 has 16 divisors (see below), whose sum is σ = 188112496896. Its totient is φ = 70523449920.

The previous prime is 123432431659. The next prime is 123432431729. The reversal of 123432431703 is 307134234321.

It is not a de Polignac number, because 123432431703 - 2¹⁰ = 123432430679 is a prime.

It is a super-2 number, since 2×123432431703² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123432431783) 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, 226878 + ... + 546203.

It is an arithmetic number, because the mean of its divisors is an integer number (11757031056).

Almost surely, 2^123432431703 is an apocalyptic number.

123432431703 is a deficient number, since it is larger than the sum of its proper divisors (64680065193).

123432431703 is an equidigital number, since it uses as much as digits as its factorization.

123432431703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780694.

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 123432431703 in words is "one hundred twenty-three billion, four hundred thirty-two million, four hundred thirty-one thousand, seven hundred three".