23541501400431 has 16 divisors (see below), whose sum is σ = 35882611194624. Its totient is φ = 13448593831104.

The previous prime is 23541501400429. The next prime is 23541501400463. The reversal of 23541501400431 is 13400410514532.

It is not a de Polignac number, because 23541501400431 - 2¹ = 23541501400429 is a prime.

It is a super-2 number, since 2×23541501400431² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23541501400392 and 23541501400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23541501000431) 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, 153783486 + ... + 153936491.

It is an arithmetic number, because the mean of its divisors is an integer number (2242663199664).

Almost surely, 2^{23541501400431} is an apocalyptic number.

23541501400431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23541501400431 is a deficient number, since it is larger than the sum of its proper divisors (12341109794193).

23541501400431 is a wasteful number, since it uses less digits than its factorization.

23541501400431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307723630.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 23541501400431 its reverse (13400410514532), we get a palindrome (36941911914963).

The spelling of 23541501400431 in words is "twenty-three trillion, five hundred forty-one billion, five hundred one million, four hundred thousand, four hundred thirty-one".