36403231623 has 16 divisors (see below), whose sum is σ = 55252336896. Its totient is φ = 21103322240.

The previous prime is 36403231591. The next prime is 36403231637. The reversal of 36403231623 is 32613230463.

It is a happy number.

It is not a de Polignac number, because 36403231623 - 2⁵ = 36403231591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36403231643) 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, 23980290 + ... + 23981807.

It is an arithmetic number, because the mean of its divisors is an integer number (3453271056).

Almost surely, 2^36403231623 is an apocalyptic number.

36403231623 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

36403231623 is a deficient number, since it is larger than the sum of its proper divisors (18849105273).

36403231623 is a wasteful number, since it uses less digits than its factorization.

36403231623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47962134.

The product of its (nonzero) digits is 46656, while the sum is 33.

The spelling of 36403231623 in words is "thirty-six billion, four hundred three million, two hundred thirty-one thousand, six hundred twenty-three".