1235023201 has 4 divisors (see below), whose sum is σ = 1243908400. Its totient is φ = 1226138004.

The previous prime is 1235023177. The next prime is 1235023243. The reversal of 1235023201 is 1023205321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1023205321 = 89 ⋅11496689.

It is a cyclic number.

It is not a de Polignac number, because 1235023201 - 2⁹ = 1235022689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1235023001) 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, 4442391 + ... + 4442668.

It is an arithmetic number, because the mean of its divisors is an integer number (310977100).

Almost surely, 2^1235023201 is an apocalyptic number.

It is an amenable number.

1235023201 is a deficient number, since it is larger than the sum of its proper divisors (8885199).

1235023201 is an equidigital number, since it uses as much as digits as its factorization.

1235023201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885198.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1235023201 is about 35142.8968783167. The cubic root of 1235023201 is about 1072.8978428139.

Adding to 1235023201 its reverse (1023205321), we get a palindrome (2258228522).

The spelling of 1235023201 in words is "one billion, two hundred thirty-five million, twenty-three thousand, two hundred one".