123454032031 has 8 divisors (see below), whose sum is σ = 136687233024. Its totient is φ = 110555848920.

The previous prime is 123454032029. The next prime is 123454032083. The reversal of 123454032031 is 130230454321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123454032031 - 2¹ = 123454032029 is a prime.

It is a super-2 number, since 2×123454032031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123454032431) 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, 83753695 + ... + 83755168.

It is an arithmetic number, because the mean of its divisors is an integer number (17085904128).

Almost surely, 2^123454032031 is an apocalyptic number.

123454032031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

123454032031 is a deficient number, since it is larger than the sum of its proper divisors (13233200993).

123454032031 is a wasteful number, since it uses less digits than its factorization.

123454032031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167508941.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 123454032031 its reverse (130230454321), we get a palindrome (253684486352).

The spelling of 123454032031 in words is "one hundred twenty-three billion, four hundred fifty-four million, thirty-two thousand, thirty-one".