23020645430 has 32 divisors (see below), whose sum is σ = 42135785280. Its totient is φ = 9053147520.

The previous prime is 23020645343. The next prime is 23020645451. The reversal of 23020645430 is 3454602032.

It is a super-3 number, since 3×23020645430³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23020645393 and 23020645402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552391 + ... + 1567149.

It is an arithmetic number, because the mean of its divisors is an integer number (1316743290).

Almost surely, 2^23020645430 is an apocalyptic number.

23020645430 is a deficient number, since it is larger than the sum of its proper divisors (19115139850).

23020645430 is a wasteful number, since it uses less digits than its factorization.

23020645430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17384.

The product of its (nonzero) digits is 17280, while the sum is 29.

The spelling of 23020645430 in words is "twenty-three billion, twenty million, six hundred forty-five thousand, four hundred thirty".