23453097919 has 8 divisors (see below), whose sum is σ = 23555191968. Its totient is φ = 23351043840.

The previous prime is 23453097911. The next prime is 23453097923. The reversal of 23453097919 is 91979035432.

It is a happy number.

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 23453097919 - 2³ = 23453097911 is a prime.

It is a super-2 number, since 2×23453097919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23453097911) 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, 2283654 + ... + 2293900.

It is an arithmetic number, because the mean of its divisors is an integer number (2944398996).

Almost surely, 2^23453097919 is an apocalyptic number.

23453097919 is a deficient number, since it is larger than the sum of its proper divisors (102094049).

23453097919 is a wasteful number, since it uses less digits than its factorization.

23453097919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19985.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The spelling of 23453097919 in words is "twenty-three billion, four hundred fifty-three million, ninety-seven thousand, nine hundred nineteen".