23423451440531 has 8 divisors (see below), whose sum is σ = 24441927519264. Its totient is φ = 22404980790720.

The previous prime is 23423451440527. The next prime is 23423451440533. The reversal of 23423451440531 is 13504415432432.

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

It is a cyclic number.

It is not a de Polignac number, because 23423451440531 - 2² = 23423451440527 is a prime.

It is a super-2 number, since 2×23423451440531² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23423451440533) 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, 9210191 + ... + 11474951.

It is an arithmetic number, because the mean of its divisors is an integer number (3055240939908).

Almost surely, 2^{23423451440531} is an apocalyptic number.

23423451440531 is a deficient number, since it is larger than the sum of its proper divisors (1018476078733).

23423451440531 is a wasteful number, since it uses less digits than its factorization.

23423451440531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2714461.

The product of its (nonzero) digits is 691200, while the sum is 41.

Adding to 23423451440531 its reverse (13504415432432), we get a palindrome (36927866872963).

The spelling of 23423451440531 in words is "twenty-three trillion, four hundred twenty-three billion, four hundred fifty-one million, four hundred forty thousand, five hundred thirty-one".