20311432023 has 8 divisors (see below), whose sum is σ = 28674962928. Its totient is φ = 12744427904.

The previous prime is 20311432019. The next prime is 20311432049. The reversal of 20311432023 is 32023411302.

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 20311432023 - 2² = 20311432019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311432013) 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, 199131636 + ... + 199131737.

It is an arithmetic number, because the mean of its divisors is an integer number (3584370366).

Almost surely, 2^20311432023 is an apocalyptic number.

20311432023 is a deficient number, since it is larger than the sum of its proper divisors (8363530905).

20311432023 is a wasteful number, since it uses less digits than its factorization.

20311432023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398263393.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20311432023 its reverse (32023411302), we get a palindrome (52334843325).

The spelling of 20311432023 in words is "twenty billion, three hundred eleven million, four hundred thirty-two thousand, twenty-three".