1025001423 has 6 divisors (see below), whose sum is σ = 1480557624. Its totient is φ = 683334276.

The previous prime is 1025001407. The next prime is 1025001457. The reversal of 1025001423 is 3241005201.

It is not a de Polignac number, because 1025001423 - 2⁴ = 1025001407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1025001396 and 1025001405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025001223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56944515 + ... + 56944532.

It is an arithmetic number, because the mean of its divisors is an integer number (246759604).

Almost surely, 2^1025001423 is an apocalyptic number.

1025001423 is a deficient number, since it is larger than the sum of its proper divisors (455556201).

1025001423 is a wasteful number, since it uses less digits than its factorization.

1025001423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113889053 (or 113889050 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1025001423 is about 32015.6434106828. The cubic root of 1025001423 is about 1008.2653041977.

Adding to 1025001423 its reverse (3241005201), we get a palindrome (4266006624).

The spelling of 1025001423 in words is "one billion, twenty-five million, one thousand, four hundred twenty-three".