23436151015531 has 2 divisors, whose sum is σ = 23436151015532. Its totient is φ = 23436151015530.

The previous prime is 23436151015399. The next prime is 23436151015547. The reversal of 23436151015531 is 13551015163432.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23436151015531 - 2⁴¹ = 21237127759979 is a prime.

It is a super-2 number, since 2×23436151015531² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23436151015631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11718075507765 + 11718075507766.

It is an arithmetic number, because the mean of its divisors is an integer number (11718075507766).

Almost surely, 2^{23436151015531} is an apocalyptic number.

23436151015531 is a deficient number, since it is larger than the sum of its proper divisors (1).

23436151015531 is an equidigital number, since it uses as much as digits as its factorization.

23436151015531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 23436151015531 its reverse (13551015163432), we get a palindrome (36987166178963).

The spelling of 23436151015531 in words is "twenty-three trillion, four hundred thirty-six billion, one hundred fifty-one million, fifteen thousand, five hundred thirty-one".