23103002421 has 24 divisors (see below), whose sum is σ = 34158234240. Its totient is φ = 15040149696.

The previous prime is 23103002413. The next prime is 23103002423. The reversal of 23103002421 is 12420030132.

It is not a de Polignac number, because 23103002421 - 2³ = 23103002413 is a prime.

It is a super-2 number, since 2×23103002421² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23103002394 and 23103002403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23103002423) 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, 125745 + ... + 249033.

It is an arithmetic number, because the mean of its divisors is an integer number (1423259760).

Almost surely, 2^23103002421 is an apocalyptic number.

It is an amenable number.

23103002421 is a deficient number, since it is larger than the sum of its proper divisors (11055231819).

23103002421 is a wasteful number, since it uses less digits than its factorization.

23103002421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123785 (or 123782 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23103002421 its reverse (12420030132), we get a palindrome (35523032553).

The spelling of 23103002421 in words is "twenty-three billion, one hundred three million, two thousand, four hundred twenty-one".