23220402435 has 80 divisors (see below), whose sum is σ = 42700183680. Its totient is φ = 12068040960.

The previous prime is 23220402421. The next prime is 23220402461. The reversal of 23220402435 is 53420402232.

It is a happy number.

23220402435 is a `hidden beast` number, since 2 + 3 + 220 + 4 + 0 + 2 + 435 = 666.

It is not a de Polignac number, because 23220402435 - 2⁴ = 23220402419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23220402399 and 23220402408.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2688534 + ... + 2697156.

It is an arithmetic number, because the mean of its divisors is an integer number (533752296).

Almost surely, 2^23220402435 is an apocalyptic number.

23220402435 is a deficient number, since it is larger than the sum of its proper divisors (19479781245).

23220402435 is a wasteful number, since it uses less digits than its factorization.

23220402435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8810 (or 8801 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 23220402435 its reverse (53420402232), we get a palindrome (76640804667).

The spelling of 23220402435 in words is "twenty-three billion, two hundred twenty million, four hundred two thousand, four hundred thirty-five".