23415402011 has 24 divisors (see below), whose sum is σ = 25337751264. Its totient is φ = 21595875840.

The previous prime is 23415401993. The next prime is 23415402041. The reversal of 23415402011 is 11020451432.

It is not a de Polignac number, because 23415402011 - 2²² = 23411207707 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23415402041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3554741 + ... + 3561321.

It is an arithmetic number, because the mean of its divisors is an integer number (1055739636).

Almost surely, 2^23415402011 is an apocalyptic number.

23415402011 is a deficient number, since it is larger than the sum of its proper divisors (1922349253).

23415402011 is a wasteful number, since it uses less digits than its factorization.

23415402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791 (or 6754 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 23415402011 its reverse (11020451432), we get a palindrome (34435853443).

The spelling of 23415402011 in words is "twenty-three billion, four hundred fifteen million, four hundred two thousand, eleven".