1923535420 has 12 divisors (see below), whose sum is σ = 4039424424. Its totient is φ = 769414160.

The previous prime is 1923535349. The next prime is 1923535421. The reversal of 1923535420 is 245353291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1923535421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48088366 + ... + 48088405.

It is an arithmetic number, because the mean of its divisors is an integer number (336618702).

Almost surely, 2^1923535420 is an apocalyptic number.

1923535420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1923535420 is an abundant number, since it is smaller than the sum of its proper divisors (2115889004).

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

1923535420 is a wasteful number, since it uses less digits than its factorization.

1923535420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96176780 (or 96176778 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

The square root of 1923535420 is about 43858.1283230372. The cubic root of 1923535420 is about 1243.6554076693.

The spelling of 1923535420 in words is "one billion, nine hundred twenty-three million, five hundred thirty-five thousand, four hundred twenty".