1202770423 has 4 divisors (see below), whose sum is σ = 1202918440. Its totient is φ = 1202622408.

The previous prime is 1202770409. The next prime is 1202770453. The reversal of 1202770423 is 3240772021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3240772021 = 37 ⋅87588433.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202770423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202770391 and 1202770400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202770453) 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, 61065 + ... + 78322.

It is an arithmetic number, because the mean of its divisors is an integer number (300729610).

Almost surely, 2^1202770423 is an apocalyptic number.

1202770423 is a deficient number, since it is larger than the sum of its proper divisors (148017).

1202770423 is an equidigital number, since it uses as much as digits as its factorization.

1202770423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148016.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 1202770423 is about 34680.9807098934. The cubic root of 1202770423 is about 1063.4757222497.

The spelling of 1202770423 in words is "one billion, two hundred two million, seven hundred seventy thousand, four hundred twenty-three".