1323550740 has 48 divisors (see below), whose sum is σ = 3722306112. Its totient is φ = 351388416.

The previous prime is 1323550729. The next prime is 1323550841. The reversal of 1323550740 is 470553231.

It is a super-2 number, since 2×1323550740² = 3503573122709095200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1323550698 and 1323550707.

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, 34969 + ... + 62208.

It is an arithmetic number, because the mean of its divisors is an integer number (77548044).

Almost surely, 2^1323550740 is an apocalyptic number.

1323550740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1323550740 is an abundant number, since it is smaller than the sum of its proper divisors (2398755372).

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

1323550740 is a wasteful number, since it uses less digits than its factorization.

1323550740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97416 (or 97414 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 1323550740 is about 36380.6368828255. The cubic root of 1323550740 is about 1097.9440218840.

The spelling of 1323550740 in words is "one billion, three hundred twenty-three million, five hundred fifty thousand, seven hundred forty".