23020154057 has 8 divisors (see below), whose sum is σ = 23190144480. Its totient is φ = 22850514720.

The previous prime is 23020154039. The next prime is 23020154081. The reversal of 23020154057 is 75045102032.

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 23020154057 - 2⁶ = 23020153993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020154357) 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, 44582 + ... + 219152.

It is an arithmetic number, because the mean of its divisors is an integer number (2898768060).

Almost surely, 2^23020154057 is an apocalyptic number.

It is an amenable number.

23020154057 is a deficient number, since it is larger than the sum of its proper divisors (169990423).

23020154057 is a wasteful number, since it uses less digits than its factorization.

23020154057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175543.

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 23020154057 its reverse (75045102032), we get a palindrome (98065256089).

The spelling of 23020154057 in words is "twenty-three billion, twenty million, one hundred fifty-four thousand, fifty-seven".