1233420397 has 48 divisors (see below), whose sum is σ = 1526097024. Its totient is φ = 993168000.

The previous prime is 1233420371. The next prime is 1233420401. The reversal of 1233420397 is 7930243321.

It is not a de Polignac number, because 1233420397 - 2¹¹ = 1233418349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1233420367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8168272 + ... + 8168422.

It is an arithmetic number, because the mean of its divisors is an integer number (31793688).

Almost surely, 2^1233420397 is an apocalyptic number.

1233420397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1233420397 is a deficient number, since it is larger than the sum of its proper divisors (292676627).

1233420397 is a wasteful number, since it uses less digits than its factorization.

1233420397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 1233420397 is about 35120.0853785978. The cubic root of 1233420397 is about 1072.4335089175.

The spelling of 1233420397 in words is "one billion, two hundred thirty-three million, four hundred twenty thousand, three hundred ninety-seven".