23323402011 has 64 divisors (see below), whose sum is σ = 39987763200. Its totient is φ = 11753026560.

The previous prime is 23323402007. The next prime is 23323402061. The reversal of 23323402011 is 11020432332.

It is not a de Polignac number, because 23323402011 - 2² = 23323402007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23323402061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6584901 + ... + 6588441.

It is an arithmetic number, because the mean of its divisors is an integer number (624808800).

Almost surely, 2^23323402011 is an apocalyptic number.

23323402011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23323402011 is a deficient number, since it is larger than the sum of its proper divisors (16664361189).

23323402011 is a wasteful number, since it uses less digits than its factorization.

23323402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23323402011 its reverse (11020432332), we get a palindrome (34343834343).

The spelling of 23323402011 in words is "twenty-three billion, three hundred twenty-three million, four hundred two thousand, eleven".