23351294091 has 8 divisors (see below), whose sum is σ = 31141740240. Its totient is φ = 15564188672.

The previous prime is 23351294077. The next prime is 23351294137. The reversal of 23351294091 is 19049215332.

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 23351294091 - 2¹⁰ = 23351293067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23351294011) 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, 818826 + ... + 846863.

It is an arithmetic number, because the mean of its divisors is an integer number (3892717530).

Almost surely, 2^23351294091 is an apocalyptic number.

23351294091 is a deficient number, since it is larger than the sum of its proper divisors (7790446149).

23351294091 is a wasteful number, since it uses less digits than its factorization.

23351294091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670365.

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 23351294091 in words is "twenty-three billion, three hundred fifty-one million, two hundred ninety-four thousand, ninety-one".