23003420402 has 8 divisors (see below), whose sum is σ = 34616080512. Its totient is φ = 11464726900.

The previous prime is 23003420371. The next prime is 23003420413. The reversal of 23003420402 is 20402430032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×23003420402² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18490874 + ... + 18492117.

It is an arithmetic number, because the mean of its divisors is an integer number (4327010064).

Almost surely, 2^23003420402 is an apocalyptic number.

23003420402 is a deficient number, since it is larger than the sum of its proper divisors (11612660110).

23003420402 is a wasteful number, since it uses less digits than its factorization.

23003420402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36983304.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 23003420402 its reverse (20402430032), we get a palindrome (43405850434).

The spelling of 23003420402 in words is "twenty-three billion, three million, four hundred twenty thousand, four hundred two".