23019393147 has 8 divisors (see below), whose sum is σ = 30731037456. Its totient is φ = 15327005472.

The previous prime is 23019393143. The next prime is 23019393151. The reversal of 23019393147 is 74139391032.

It is an interprime number because it is at equal distance from previous prime (23019393143) and next prime (23019393151).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 23019393147 - 2² = 23019393143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23019393099 and 23019393108.

It is not an unprimeable number, because it can be changed into a prime (23019393143) 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, 4811368 + ... + 4816149.

It is an arithmetic number, because the mean of its divisors is an integer number (3841379682).

Almost surely, 2^23019393147 is an apocalyptic number.

23019393147 is a deficient number, since it is larger than the sum of its proper divisors (7711644309).

23019393147 is an equidigital number, since it uses as much as digits as its factorization.

23019393147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9628317.

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 23019393147 in words is "twenty-three billion, nineteen million, three hundred ninety-three thousand, one hundred forty-seven".