20077353423 has 6 divisors (see below), whose sum is σ = 29000621624. Its totient is φ = 13384902276.

The previous prime is 20077353403. The next prime is 20077353431. The reversal of 20077353423 is 32435377002.

It is a de Polignac number, because none of the positive numbers 2^k-20077353423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077353403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115408515 + ... + 1115408532.

Almost surely, 2^20077353423 is an apocalyptic number.

20077353423 is a deficient number, since it is larger than the sum of its proper divisors (8923268201).

20077353423 is a wasteful number, since it uses less digits than its factorization.

20077353423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2230817053 (or 2230817050 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 36.

The spelling of 20077353423 in words is "twenty billion, seventy-seven million, three hundred fifty-three thousand, four hundred twenty-three".