23003143420 has 24 divisors (see below), whose sum is σ = 48313624464. Its totient is φ = 9199919616.

The previous prime is 23003143363. The next prime is 23003143453. The reversal of 23003143420 is 2434130032.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23003143391 and 23003143400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63724 + ... + 223756.

It is an arithmetic number, because the mean of its divisors is an integer number (2013067686).

Almost surely, 2^23003143420 is an apocalyptic number.

23003143420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003143420 is an abundant number, since it is smaller than the sum of its proper divisors (25310481044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23003143420 is a wasteful number, since it uses less digits than its factorization.

23003143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167229 (or 167227 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23003143420 its reverse (2434130032), we get a palindrome (25437273452).

The spelling of 23003143420 in words is "twenty-three billion, three million, one hundred forty-three thousand, four hundred twenty".