1203423331 has 16 divisors (see below), whose sum is σ = 1322332128. Its totient is φ = 1086131200.

The previous prime is 1203423313. The next prime is 1203423337. The reversal of 1203423331 is 1333243021.

It is not a de Polignac number, because 1203423331 - 2¹¹ = 1203421283 is a prime.

It is a super-2 number, since 2×1203423331² = 2896455427190271122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203423337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580991 + ... + 1581751.

It is an arithmetic number, because the mean of its divisors is an integer number (82645758).

Almost surely, 2^1203423331 is an apocalyptic number.

1203423331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1203423331 is a deficient number, since it is larger than the sum of its proper divisors (118908797).

1203423331 is a wasteful number, since it uses less digits than its factorization.

1203423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1622.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1203423331 is about 34690.3924884110. The cubic root of 1203423331 is about 1063.6681186793.

Adding to 1203423331 its reverse (1333243021), we get a palindrome (2536666352).

The spelling of 1203423331 in words is "one billion, two hundred three million, four hundred twenty-three thousand, three hundred thirty-one".