19941477023 has 8 divisors (see below), whose sum is σ = 21480538800. Its totient is φ = 18403144128.

The previous prime is 19941477007. The next prime is 19941477029. The reversal of 19941477023 is 32077414991.

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 19941477023 - 2⁴ = 19941477007 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 (19941477029) 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, 124718 + ... + 235451.

It is an arithmetic number, because the mean of its divisors is an integer number (2685067350).

Almost surely, 2^19941477023 is an apocalyptic number.

19941477023 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19941477023 is a deficient number, since it is larger than the sum of its proper divisors (1539061777).

19941477023 is a wasteful number, since it uses less digits than its factorization.

19941477023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364441.

The product of its (nonzero) digits is 381024, while the sum is 47.

The spelling of 19941477023 in words is "nineteen billion, nine hundred forty-one million, four hundred seventy-seven thousand, twenty-three".