15432023451 has 64 divisors (see below), whose sum is σ = 22996305920. Its totient is φ = 9146442240.

The previous prime is 15432023437. The next prime is 15432023501.

15432023451 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 15432023451 - 2⁷ = 15432023323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15432024451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29506476 + ... + 29506998.

It is an arithmetic number, because the mean of its divisors is an integer number (359317280).

Almost surely, 2^15432023451 is an apocalyptic number.

15432023451 is a deficient number, since it is larger than the sum of its proper divisors (7564282469).

15432023451 is a wasteful number, since it uses less digits than its factorization.

15432023451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 14400, while the sum is 30.

It can be divided in two parts, 154320 and 23451, that added together give a palindrome (177771).

The spelling of 15432023451 in words is "fifteen billion, four hundred thirty-two million, twenty-three thousand, four hundred fifty-one".