1423400100 has 72 divisors (see below), whose sum is σ = 4122319488. Its totient is φ = 379209600.

The previous prime is 1423400087. The next prime is 1423400107. The reversal of 1423400100 is 10043241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1423400100.

It is not an unprimeable number, because it can be changed into a prime (1423400107) 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, 484837 + ... + 487763.

Almost surely, 2^1423400100 is an apocalyptic number.

1423400100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1423400100 is an abundant number, since it is smaller than the sum of its proper divisors (2698919388).

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

1423400100 is a wasteful number, since it uses less digits than its factorization.

1423400100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4565 (or 4558 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1423400100 is about 37727.9750317984. The cubic root of 1423400100 is about 1124.8872578377.

Adding to 1423400100 its reverse (10043241), we get a palindrome (1433443341).

The spelling of 1423400100 in words is "one billion, four hundred twenty-three million, four hundred thousand, one hundred".